All too often a crawlspace will have nothing but a dirt floor and probably some un insulated walls.
How to insulate basement with dirt floor.
Some people say we can get foam insulation sprayed in which will harden on the dirt floor.
The result of that is an unending source of humidity as moisture in the ground evaporates into the air and can condense on cold walls and joists where mold can establish itself.
When you re using fiberglass batting insulation material run it about 6 inches or so onto the crawl space floor.
My house is 34yrs old and should have been done before house was built but that is hindsight.
We have a walk in basement with plenty of air gaps in the floor.
Use a box cutter to cut the insulation to length.
My question do i still put the insulation with craft paper still up or down.
Your best and first heat keeping are spent in insulating the attic and in sealing all the cracks that allow cold drafts into your house.
That is something i wanted to do with my house but i was given a quote of 14 000 plus.
Properly insulating and air sealing rim joists band joists takes patience so most builders simply stuff in some fiberglass and walk away.
I have a older home 1955.
If you have an unfinished basement you can properly insulate the rim joists in two or three hours.
We removed the carpet to refinish the original floors.
So i spray foam to fill in the gaps.
You will gain a more comfortable home environment a mold free basement and savings on your yearly energy bills.
On sep 29 2014.
Next question should i block off the the air that brings in the fresh air.
Molly has given good advice.
Fixing a dirt floor crawlspace.
Only seal and insulate your basement in combination with concreting the basement floor to seal out moisture that rises from the dirt.
We close down the cottage for the winter and drain the water for the season we would love to insulate and try to make it a 4 season cottage.
Insulating a basement floor requires a simple framework for the insulation.
I have a 20 year old 2 story log home with a huge basement the basement has a back entry 2 levels and a what i call a shelf toward the front of the home the basement floor is dirt so i initially covered with 6 mil black plastic but have planned to cover the walls with either eps with foil backing or polyiso with foil backing minimum of 2 inches thick i live in 4 5 climate zone.
Remove all furniture and storage items that are located in the basement area.
The sill plate is the first piece of framing lumber and it runs on top of the crawl space wall.
Step 1 clearing the basement.
I m needing advice on how to insulate my mud dirt floor basement propriately without causing molding.